Function ruma::serde::none_as_empty_string [−][src]
pub fn none_as_empty_string<T, S>(
value: &Option<T>,
serializer: S
) -> Result<<S as Serializer>::Ok, <S as Serializer>::Error> where
S: Serializer,
T: Serialize,
Expand description
Serde serializiation decorator to map None to an empty String, and forward Somes to the Serialize implemention for T.
To be used like this:
#[serde(serialize_with = "empty_string_as_none")]